Virtual Private Network (VPN)
What is Virtual Private Network (VPN)?
A Virtual Private Network, or VPN, is a technology that creates a protected connection over another network, allowing users or systems to send data more securely across untrusted environments such as the internet.
Examples
- A remote employee connects to the company VPN from home so they can access internal file shares and business applications securely.
- Two office locations use a site-to-site VPN so traffic between them travels through an encrypted tunnel across the internet.
Discover 🔎
Imagine sending sensitive business traffic across the open internet with no added protection. Usernames, internal application requests, and company data could travel through networks the organization does not own or control. That is exactly the problem VPN technology was designed to address.
A VPN helps create a safer path through an untrusted environment. Instead of sending important traffic openly, it wraps the communication in protected form so the data is harder to read or tamper with while in transit. This is why VPNs are strongly associated with remote work, private business communication, and secure connections between distant locations.
Summary 📝
A VPN creates a protected connection across an untrusted network, usually the internet, so users or sites can communicate more securely. It is widely used for remote access and site-to-site connectivity because it helps protect data in transit and extend access to internal resources. Its value is strongest when combined with good authentication, careful access control, monitoring, and sound endpoint security.
Tip: The interactive version includes progress tracking, decks, and premium deep dives.